BIOS image for an ASUS UX425UG laptop, with 301 most likely the firmware version carried in the name. The 16.0 MB size corresponds to a 128 Mbit SPI flash chip, the usual capacity on recent ultrabooks. Technicians write this kind of dump with a programmer such as a CH341A when a board fails to post after a bad update or a corrupted chip. Before flashing, read and save the original contents, since it holds serial and licence data, and confirm the board model and chip size match the image.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @vinafix_bios. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →